If ulcers occur under the tongue do not need to worry, as long as the application of the following methods can be treated: First, you can spray watermelon cream, open throat sword spray in the ulcer local, very helpful for the ulcer surface healing, shorten the ulcer cycle. Second, the application of chlorhexidine mouthwash for gargling to maintain oral hygiene. If there are rotten roots, stump crowns, caries, etc., timely repair can reduce the bacteria in the mouth and help the ulcer heal. Third, you can strengthen the resistance of the whole body, such as eating transfer factor, improve the body’s immunity, balanced diet, ensure sufficient sleep and reduce mental and psychological stress, which can not only play a very effective role in the treatment of sublingual ulcers, but also strengthen the body’s immunity, so that the possibility of ulcer recurrence is even less.